捩转

In the meantime, mutual to shock wave of wing section surface and attrib border layer interference and turn turn problem undertakes analytic computation, the result makes clear, the numeric method with proper union of mode of Gao-Yong compressible onflow can succeed ground imitate wing section steps sonic and agglutinant flow.

同时，对翼型表面激波和边界层相互干扰以及转捩新问题进行分析计算，结果表明，Gao-Yong可压缩湍流模式结合适当的数值方法能够成功地模拟翼型跨音速粘性流动。

The accurate prediction of drag is key to the design of the low Reynold′s number flight vehicle,and the accurate prediction of friction drag which is induced by separation and transition of the boundary layer is key to the accurate prediction of drag.

而与附面层分离和转捩相关的摩擦阻力的精确计算则是此类飞行器阻力精确计算的关键。

In order to obtain the Deflagration-to-Detonation Transition distance in the detonative tube, an ion-probe system based on comparative electric circuit was made.

为了测量爆震管中从爆燃到爆震转捩距离，研制了一套基于对比电路的离子探针系统。

The mathematical model of deflagration to detonation transition for coke p owder and oxygen mixture in one-dimensional closed system was established on th e basis of chemical reaction and two-phase reaction fluid mechanics theory. Num erical simulation of the process was successfully made through coordinate transf ormation and two-step display differential schemes.

根据化学反应和两相反应流体动力学理论，建立了焦炭粉-氧气混合物燃烧波在一维封闭空间内的爆燃爆震转捩现象的数学模型，运用坐标变换和M acCormack两步显式差分格式，成功地完成了过程的数值模拟。

We investigate detailedly the process of the C-type instability for nonparallel boundary layers with three-dimensional disturbances.

这些都为边界层的转捩位置的确定和机理研究提供了可靠的依据，具有重要的理论意义和实用价值。

Obviously, the study on nonparallel boundary layer stability has an important sense in theory, on the other hand, the determination of precise growth rate of disturbance is help to enhance the precision of the factor in transition criterion, so it has also an important sense in practice.

本文对非平行流边界层稳定性问题所进行的深入研究，显然具有重要的理论意义，而且所精确确定的扰动放大值，有助于实用转捩准则中放大因子精确度的提高而具有重要实用价值。

The process of evolution, especially that of nonlinear evolution, of C-type instability of laminar-turbulent flow transition in nonparallel boundary layers are studied by means of a newly developed method called parabolic stability equations.

提出用抛物化稳定性方程新方法，研究非平行边界层从层流向湍流转捩的C型失稳的演化过程，特别是非线性演化问题。

In this paper, the laminar-turbulent transition and the role of transition in turbomachinery are also preliminarily discussed.

在本文中还初步讨论了层流—湍流的转捩问题以及它在透平机械中的作用和地位。

Small scale transition may be considered as a result of interaction among these vortices.

平面混合层的&小尺度转捩&可能是的各种旋涡共同作用的结果。

Finally, the techniques of time-serial measurement for transient flow field, three-dimensiqonal tomography, computer image processing and the theories above quantitative calculation studied in the thesis are used to measure the free jet flow field of real rocket, the flow field of bore nozlle, impingment field of exhusted jet, three-dimensional flow field in hypersonic shock tunnel, the flow field of boundary layer transition, explosive and combustion flow field of detonating powder and 3-D temperature field.

最后，利用本文所研究的瞬态流场时间序列定量测试技术，三维C.T技术，计算机图像处理技术和定量计算理论等对真实火箭燃气射流场，膛口流场，燃气射流冲击场，高超音速激波风洞中的三维流场，模型边界层转捩区流场，起爆药爆轰流场和燃烧场、三维温度场等进行测试，取得了一些国际上首创性的成果，并对实现上发现的一些新现象进行理论分析和解释。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。